Contact Us Host an Event Volunteer Join

Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

Enter a Plant Name:
Or choose a plant family:
Streptanthella longirostris  (Long-beak streptanthella)
Cressler, Alan

Streptanthella longirostris

Streptanthella longirostris (S. Watson) Rydb.

Long-beak Streptanthella, Streptanthella

Brassicaceae (Mustard Family)

Synonym(s): Streptanthella longirostris var. derelicta

USDA Symbol: STLO4

USDA Native Status: L48 (N)

A monotypic species.


From the Image Gallery

2 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Oblanceolate
Leaf Margin: Dentate , Entire
Fruit Type: Silique
Size Notes: 1-2 in height.
Flower: Sepals greenish or purple. Petals white or yellow (often veins purplish) spatulate. Webref 3.
Fruit: Silique, 2(-3) inches long.
Size Class: 1-3 ft.

Bloom Information

Bloom Color: White , Yellow
Bloom Time: Jan , Feb , Mar , Apr , May , Jun
Bloom Notes: Flowers Jan-Jun.


USA: AZ , CA , CO , ID , MT , NM , NV , OR , UT , WA , WY
Native Distribution: US, west of the Rocky Mountains. Also, in Baja California and Sonora, MX.
Native Habitat: Roadsides, rocky areas, sandy ridges, sagebrush and creosote bush deserts, dry slopes, dry washes, decomposed granitic soil, pinyon-juniper areas, alluvial fans, chaparral, sandstone gravel and outcrops, sandstone hills and cliffs. Webref 3.

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

USDA: Find Streptanthella longirostris in USDA Plants
FNA: Find Streptanthella longirostris in the Flora of North America (if available)
Google: Search Google for Streptanthella longirostris


Record Modified: 2014-06-26
Research By: JAM

Go back